<div class="series clearfix">
    <div class="mod">
        <div class="hd">
            <h2>Mac</h2>
        </div>
        <div class="bd">
            content
        </div>
    </div>
    <div class="mod">
        <div class="hd">
            <h2>iPad</h2>
        </div>
        <div class="bd">
            content
        </div>
    </div>
    <div class="mod last">
        <div class="hd">
            <h2>iPhone</h2>
        </div>
        <div class="bd">
            content
        </div>
    </div>
</div>
